private void TestCommandQueueMemCopy(Context c, CommandQueue cq) { Output("Testing synchronous host memory->memory copy"); AlignedArrayFloat aafSrc = new AlignedArrayFloat(1024 * 1024, 64); AlignedArrayFloat aafDst = new AlignedArrayFloat(1024 * 1024, 64); SetAAF(aafSrc, 0.0f); SetAAF(aafDst, 1.0f); /// Test HOST_PTR -> HOST_PTR copy /// The call to EnqueueMapBuffer synchronizes caches before testing the result using (Mem memSrc = c.CreateBuffer((MemFlags)((ulong)MemFlags.READ_WRITE+(ulong)MemFlags.USE_HOST_PTR), aafSrc.ByteLength, aafSrc)) { using (Mem memDst = c.CreateBuffer((MemFlags)((ulong)MemFlags.READ_WRITE+(ulong)MemFlags.USE_HOST_PTR), aafDst.ByteLength, aafDst)) { cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength); cq.EnqueueBarrier(); IntPtr mappedPtr = cq.EnqueueMapBuffer(memDst, true, MapFlags.READ_WRITE, (IntPtr)0, (IntPtr)aafDst.ByteLength); if (!TestAAF(aafDst, 0.0f)) Error("EnqueueCopyBuffer failed, destination is invalid"); cq.EnqueueUnmapMemObject(memDst, mappedPtr); cq.EnqueueBarrier(); } } /// Test COPY_HOST_PTR -> COPY_HOST_PTR copy /// Verify that original source buffers are intact and that the copy was successful SetAAF(aafSrc, 0.0f); SetAAF(aafDst, 1.0f); using (Mem memSrc = c.CreateBuffer(MemFlags.COPY_HOST_PTR, aafSrc.ByteLength, aafSrc)) { using (Mem memDst = c.CreateBuffer(MemFlags.COPY_HOST_PTR, aafSrc.ByteLength, aafDst)) { SetAAF(aafSrc, 2.0f); SetAAF(aafDst, 3.0f); cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength); cq.Finish(); if (!TestAAF(aafSrc, 2.0f)) Error("Memory copy destroyed src buffer"); if (!TestAAF(aafDst, 3.0f)) Error("Memory copy destroyed dst buffer"); Event ev; cq.EnqueueReadBuffer(memDst, false, IntPtr.Zero, (IntPtr)aafDst.ByteLength, aafDst,0, null, out ev); cq.EnqueueWaitForEvents(1, new Event[] { ev }); ev.Dispose(); cq.Finish(); if (!TestAAF(aafDst, 0.0f)) Error("Memory copy failed"); } } /// Test ALLOC_HOST_PTR -> ALLOC_HOST_PTR copy SetAAF(aafSrc, 0.0f); SetAAF(aafDst, 1.0f); using (Mem memSrc = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.READ_WRITE), aafSrc.ByteLength, IntPtr.Zero)) { using (Mem memDst = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.WRITE_ONLY), aafSrc.ByteLength, IntPtr.Zero)) { cq.EnqueueWriteBuffer(memSrc, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc); cq.EnqueueWriteBuffer(memDst, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc); cq.EnqueueBarrier(); cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(memDst, true, IntPtr.Zero, (IntPtr)aafDst.ByteLength, aafDst); if (!TestAAF(aafDst, 0.0f)) Error("Memory copy failed"); } } /// Test DEFAULT -> DEFAULT copy SetAAF(aafSrc, 0.0f); SetAAF(aafDst, 1.0f); using (Mem memSrc = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.READ_ONLY), aafSrc.ByteLength, IntPtr.Zero)) { using (Mem memDst = c.CreateBuffer((MemFlags)((ulong)MemFlags.ALLOC_HOST_PTR + (ulong)MemFlags.WRITE_ONLY), aafSrc.ByteLength, IntPtr.Zero)) { cq.EnqueueWriteBuffer(memSrc, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc); cq.EnqueueWriteBuffer(memDst, false, (IntPtr)0, (IntPtr)aafSrc.ByteLength, aafSrc); cq.EnqueueBarrier(); cq.EnqueueCopyBuffer(memSrc, memDst, IntPtr.Zero, IntPtr.Zero, (IntPtr)aafSrc.ByteLength); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(memDst, true, IntPtr.Zero, (IntPtr)aafDst.ByteLength, aafDst); if (!TestAAF(aafDst, 0.0f)) Error("Memory copy failed"); } } }
/// <summary> /// Test all versions of: /// /// EnqueueReadBuffer /// EnqueueWriteBuffer /// EnqueueCopyBuffer /// /// The test just copies the entirety of a buffer and checks if the result is equal to the original. /// An error indicates that one of the above functions failed and further manual analysis is required /// to pinpoint the error. /// </summary> /// <param name="c"></param> /// <param name="cq"></param> private void TestReadWriteCopyOps(Context c, CommandQueue cq) { Output("Testing read/write/copy functions"); Mem buf0 = null; Mem buf1 = null; Mem buf2 = null; int bufLen = 1024 * 1024; byte[] srcData = new byte[bufLen]; byte[] cmpData = new byte[bufLen]; Event event0; Event event1; Event event2; Event event3; Event event4; Event event5; for (int i = 0; i < srcData.Length; i++) srcData[i] = (byte)(i); Array.Clear(cmpData, 0, cmpData.Length); try { buf0 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero); buf1 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero); buf2 = c.CreateBuffer(MemFlags.READ_WRITE, bufLen, IntPtr.Zero); #region Test EnqueueReadBuffer EnqueueWriteBuffer EnqueueCopyBuffer fixed (byte* pSrc = srcData) { fixed (byte* pCmp = cmpData) { { Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc); cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source"); Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc, 0, null, out event0 ); cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen, 0, null, out event1); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp, 0, null, out event2); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source"); Event[] events = new Event[] { event0, event1, event2 }; Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc, 3, events); cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen, 3, events); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp, 3, events); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source"); Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pSrc, 3, events, out event3); cq.EnqueueCopyBuffer(buf0, buf1, (IntPtr)0, (IntPtr)0, (IntPtr)bufLen, 3, events, out event4); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, (IntPtr)0, (IntPtr)bufLen, (IntPtr)pCmp, 3, events, out event5); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(IntPtr version): Copy not identical to source"); event0.Dispose(); event1.Dispose(); event2.Dispose(); event3.Dispose(); event4.Dispose(); event5.Dispose(); } { Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc); cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(int version): Copy not identical to source"); Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc, 0, null, out event0); cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen, 0, null, out event1); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp, 0, null, out event2); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(int version): Copy not identical to source"); Event[] events = new Event[] { event0, event1, event2 }; Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc, 3, events); cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen, 3, events); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp, 3, events); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(int version): Copy not identical to source"); Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0, bufLen, (IntPtr)pSrc, 3, events, out event3); cq.EnqueueCopyBuffer(buf0, buf1, 0, 0, bufLen, 3, events, out event4); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0, bufLen, (IntPtr)pCmp, 3, events, out event5); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(int version): Copy not identical to source"); event0.Dispose(); event1.Dispose(); event2.Dispose(); event3.Dispose(); event4.Dispose(); event5.Dispose(); } { Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc); cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(long version): Copy not identical to source"); Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc, 0, null, out event0); cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen, 0, null, out event1); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp, 0, null, out event2); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(long version): Copy not identical to source"); Event[] events = new Event[] { event0, event1, event2 }; Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc, 3, events); cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen, 3, events); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp, 3, events); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(long version): Copy not identical to source"); Array.Clear(cmpData, 0, cmpData.Length); cq.EnqueueWriteBuffer(buf0, true, 0L, (long)bufLen, (IntPtr)pSrc, 3, events, out event3); cq.EnqueueCopyBuffer(buf0, buf1, 0L, 0L, (long)bufLen, 3, events, out event4); cq.EnqueueBarrier(); cq.EnqueueReadBuffer(buf1, true, 0L, (long)bufLen, (IntPtr)pCmp, 3, events, out event5); if (!CompareArray(cmpData, srcData)) Error("TestReadWriteCopyOps(long version): Copy not identical to source"); event0.Dispose(); event1.Dispose(); event2.Dispose(); event3.Dispose(); event4.Dispose(); event5.Dispose(); } } } #endregion } catch (Exception e) { Error("Exception during testing: " + e.ToString()); } finally { if (buf0 != null) buf0.Dispose(); if (buf1 != null) buf1.Dispose(); if (buf2 != null) buf2.Dispose(); } }